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Finding the Fourth Proportional to 247,151.71, 370,727.58 and 89,343.25

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Solution

The fourth proportional to 247,151.71, 370,727.58 and 89,343.25 is: 134,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,151.71 : 370,727.58 = 89,343.25 : x
  2. Step 2: Convert to fraction form
    247,151.71/370,727.58 = 89,343.25/x
  3. Step 3: Cross multiply
    247,151.71x = 370,727.58 × 89,343.25
  4. Step 4: Simplify right side
    247,151.71x = 33,122,008,355.40
  5. Step 5: Solve for x
    x = 33,122,008,355.40/247,151.71
  6. Step 6: Final answer
    x = 134,014.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.